misc improvements for library usage:

- app: allow custom serviceworker path, or disable altogether
- page download options: add warc/1.0 option
- ui: remove unused small style from chooser
ui: tweak initial refresh time to half second

bump to 1.5.1

yarn.lock

@@ -1738,10 +1738,10 @@ builtin-status-codes@^3.0.0:
   resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8"
   integrity sha1-hZgoeOIbmOHGZCXgPQF0eI9Wnug=
 
-bulma@^0.9.2:
-  version "0.9.2"
-  resolved "https://registry.yarnpkg.com/bulma/-/bulma-0.9.2.tgz#340011e119c605f19b8ca886bfea595f1deaf23c"
-  integrity sha512-e14EF+3VSZ488yL/lJH0tR8mFWiEQVCMi/BQUMi2TGMBOk+zrDg4wryuwm/+dRSHJw0gMawp2tsW7X1JYUCE3A==
+bulma@^0.9.3:
+  version "0.9.3"
+  resolved "https://registry.yarnpkg.com/bulma/-/bulma-0.9.3.tgz#ddccb7436ebe3e21bf47afe01d3c43a296b70243"
+  integrity sha512-0d7GNW1PY4ud8TWxdNcP6Cc8Bu7MxcntD/RRLGWuiw/s0a9P+XlH/6QoOIrmbj6o8WWJzJYhytiu9nFjTszk1g==
 
 bytes@3.0.0:
   version "3.0.0"
@@ -3019,10 +3019,10 @@ electron-updater@^4.3.5:
     lodash.isequal "^4.5.0"
     semver "^7.3.2"
 
-electron@^14.0.0-beta.24:
-  version "14.0.0-beta.24"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-14.0.0-beta.24.tgz#ac6c288cb5a4e3792ffa725af1c0b5028a0c9986"
-  integrity sha512-KcmbHkGzf14lizkoYHo7UKAjyMQEtplrRI2sIM9jxfIEFjNAfDhhmZnh0+1+K8sXITShEeCgiMGKADAPanX7pw==
+electron@^14.0.0:
+  version "14.0.0"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-14.0.0.tgz#a096484bfbf71d87fc0fa85a943a7869d6b9bf94"
+  integrity sha512-O6EI7L1BPIrTpEIFefjjmdbmSn9LtE4mmrv4dfpV4Mqaa8uKuNYQogwZPEvSwaBexb69eb1LQ25n+f+kBcjiRQ==
   dependencies:
     "@electron/get" "^1.0.1"
     "@types/node" "^14.6.2"